ASTM RR-D02-1241 1988 PDF

Full title and description

St ASTM RR-D02-1241 1988 — ASTM Research Report RR-D02-1241 (approved January 3, 1988). This research report documents an interlaboratory study performed to establish the precision statement used with ASTM D4308, the Standard Test Method for Electrical Conductivity of Liquid Hydrocarbons by Precision Meter.

Abstract

This research report summarizes an interlaboratory program carried out by seven laboratories that tested seven samples to develop precision and reproducibility statistics for ASTM Test Method D4308 (electrical conductivity of liquid hydrocarbons measured by a precision meter). The report provides the experimental design, measurement procedures used by participating laboratories, statistical treatment of results, and the precision statement adopted for inclusion with D4308.

General information

• Status: Research report (archived/available from ASTM International).
• Publication date: Approved January 3, 1988.
• Publisher: ASTM International (Committee D02 — Petroleum Products and Lubricants).
• ICS / categories: Petroleum and related technologies; test methods for liquid hydrocarbon properties (ASTM Committee D02 jurisdiction).
• Edition / version: Research Report RR-D02-1241 (1988).
• Number of pages: Not specified on the ASTM listing; consult the ASTM Research Report ordering page or copy of the report for exact page count.

Scope

The report's scope is limited to documenting an interlaboratory study designed to establish precision statements for ASTM D4308. The underlying D4308 test method covers determination of the rest (equilibrium) electrical conductivity of aviation fuels and other low‑conductivity hydrocarbon liquids using a precision (typically DC) meter in the approximate conductivity range applicable to that method. The RR provides the data and statistical analysis used to support the precision and reproducibility statements in D4308.

Key topics and requirements

• Interlaboratory study design and protocol for conductivity measurements.
• Sample selection and handling procedures for low‑conductivity hydrocarbon liquids.
• Use of a precision conductivity meter (as described in D4308) and associated calibration/cleaning precautions.
• Statistical analysis of interlaboratory data to produce repeatability and reproducibility estimates (precision statement).
• Recommendations and notes for test method application and limitations (e.g., low‑conductivity measurement considerations).

Typical use and users

Intended users include petroleum and aviation fuel testing laboratories, quality control and R&D groups in fuel supply and distribution, instrument manufacturers and calibrations services for conductivity meters, and standards developers who need documented precision data for test method validation. The report is typically consulted when implementing D4308 or when assessing measurement uncertainty for conductivity determinations.

Related standards

Primary related standard: ASTM D4308 (Standard Test Method for Electrical Conductivity of Liquid Hydrocarbons by Precision Meter), which the RR supports. Other related and complementary standards include ASTM D2624 (electrical conductivity of aviation and distillate fuels, methods for fuels containing static dissipater additives) and established electrical conductivity/resistivity test methods referenced in D4308.

Keywords

ASTM, research report, RR‑D02‑1241, D4308, electrical conductivity, precision meter, interlaboratory study, petroleum, aviation fuel, repeatability, reproducibility.

FAQ

Q: What is this standard?

A: This item is a research report (ASTM RR‑D02‑1241) approved January 3, 1988, documenting an interlaboratory study used to establish the precision statement for ASTM Test Method D4308. It is not a standalone test standard but a supporting RR that provides the statistical basis for D4308.

Q: What does it cover?

A: The report covers the study design, participating laboratories (seven), the seven test samples used, measurement procedures followed, and the statistical evaluation that led to repeatability and reproducibility values adopted for D4308.

Q: Who typically uses it?

A: Fuel testing laboratories, instrument manufacturers, standards developers, and quality assurance personnel who require documented precision data to apply or validate D4308 measurements and uncertainty assessments.

Q: Is it current or superseded?

A: The research report itself is an archival supporting document from 1988. The D4308 test method it supports has been revised multiple times; consult the current edition of D4308 for the active test method and to see whether later interlaboratory studies or precision statements have been added. The RR remains a historical/technical reference for the precision statement it originally supported.

Q: Is it part of a series?

A: Yes — it is part of the ASTM D02 research report series (stock number format RR‑D02‑####) associated with Subcommittee D02.J0 (aviation fuels / conductivity measurement topics). Many D02 standards are supported by similar RR entries documenting interlaboratory or validation work.

Q: What are the key keywords?

A: Conductivity, electrical conductivity, picosiemens per metre (pS/m), precision meter, interlaboratory study, repeatability, reproducibility, aviation fuel, liquid hydrocarbons, ASTM D4308.